CONDENSED STATEMENTS OF INCOME (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONDENSED STATEMENTS OF INCOME
NET SALES	$ 4,217,125	$ 4,231,235	$ 12,894,142	$ 12,787,939
COST OF GOODS SOLD	2,575,557	2,478,358	7,904,357	7,726,216
GROSS PROFIT	1,641,568	1,752,877	4,989,785	5,061,723
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,330,199	1,273,286	4,124,801	3,984,854
RESEARCH AND DEVELOPMENT EXPENSES	149,864	141,186	475,791	470,165
INCOME FROM OPERATIONS	161,505	338,405	389,193	606,704
INTEREST INCOME	1,372	2,572	5,331	9,377
INCOME BEFORE INCOME TAXES	162,877	340,977	394,524	616,081
INCOME TAX EXPENSE	46,715	112,865	73,000	207,292
NET INCOME	$ 116,162	$ 228,112	$ 321,524	$ 408,789
EARNINGS PER COMMON SHARE:
Basic (in dollars per share)	$ 0.06	$ 0.11	$ 0.16	$ 0.21
Diluted (in dollars per share)	$ 0.06	$ 0.11	$ 0.16	$ 0.21
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	2,008,836	1,989,307	2,005,702	1,986,798
Diluted (in shares)	2,015,125	1,993,429	2,010,334	1,990,485